[IPVS]: Relax the module get/put in ip_vs_app.c

Both try_module_get/module_put already handle the module == NULL
case, so no need in manual checking.

This patch fits both net-2.6 and net-2.6.25.
Signed-off-by: NPavel Emelyanov <xemul@openvz.org>
Acked-by: NSimon Horman <horms@verge.net.au>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/ipv4/ipvs/ip_vs_app.c

@@ -51,18 +51,13 @@ static DEFINE_MUTEX(__ip_vs_app_mutex);
  */
 static inline int ip_vs_app_get(struct ip_vs_app *app)
 {
-	/* test and get the module atomically */
-	if (app->module)
-		return try_module_get(app->module);
-	else
-		return 1;
+	return try_module_get(app->module);
 }
 
 
 static inline void ip_vs_app_put(struct ip_vs_app *app)
 {
-	if (app->module)
-		module_put(app->module);
+	module_put(app->module);
 }